Kennametal Top Notch Grooving Inserts

Top Notch™ Grooving Tools and Beyond™ Inserts for Your Shallow Groove and Turn Operations

Primary Application

Top Notch Grooving is the proven solution for high productivity. The Top Notch system provides consistent tool performance, accurate indexing, and superior clamping to provide excellent surface finishing and superior tool life.

Features and Benefits

The Beyond PVD coated grades are designed to cut a variety of workpiece materials.
Rigid clamping securely locks insert in place through the toughest cuts.

Versatile design enables one system to handle O.D. and I.D. grooving, face grooving, back turning, undercutting, and even threading operations.
Chip control inserts provide excellent chip evacuation in grooving, and offer better chip control in multidirectional turning.

Click through to the products to see videos of them in action, and also find their related matching tools.

NR-R

Full radius grooving. Turning profiling. Neutral rake angle.

Product Code	Seat	W	RC	T
NR2M075R KCU10 »	2	1.50	0.75	2.79
NR2M075R KC9320 »	2	1.50	0.75	2.79
NR2M075R KC5010 »	2	1.50	0.75	2.79

NGP-R

General-purpose grooving. O-ring grooving. Circlip grooving. 5°/Positive rake angle.

Product Code	Seat	W	RR	T
NGP2M150R K313 »	2	1.50	0.19	2.79

NGP-L

General-purpose grooving. O-ring grooving. Circlip grooving. 5°/Positive rake angle.

Product Code	Seat	W	RR	T
NGP2M150L K313 »	2	1.50	0.19	2.79

NOTE Right hand inserts shown, left hand is mirror image.

NGD-RK

Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.

Product Code	Seat	W	RR	T
NGD2M150RK KC5025 »	2	1.50	0.19	4.06
NGD2M150RK KC5010 »	2	1.50	0.19	4.06

NGD-LK

Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.

Product Code	Seat	W	RR	T
NGD2M150LK KC5025 »	2	1.50	0.19	4.06
NGD2M150LK KC5010 »	2	1.50	0.19	4.06

NOTE Right hand inserts shown, left hand is mirror image.

NG-RK

Chip control geometry. General-purpose grooving. O-ring grooving. Circlip grooving. Light turning. 10°/Positive rake angle.

Product Code	Seat	W	RR	T
NG3M150RK KT315 »	3	1.50	0.19	2.39
NG3M150RK KCU25 »	3	1.50	0.19	2.39
NG3M150RK KC9320 »	3	1.50	0.19	2.39
NG3M150RK KC5025 »	3	1.50	0.19	2.39
NG2M150RK KCU25 »	2	1.50	0.19	2.79
NG2M150RK KC5025 »	2	1.50	0.19	2.79

NG-LK

Chip control geometry. General-purpose grooving. O-ring grooving. Circlip grooving. Light turning. 10°/Positive rake angle.

Product Code	Seat	W	RR	T
NG3M150LK KCU25 »	3	1.50	0.19	2.39
NG3M150LK KC9320 »	3	1.50	0.19	2.39
NG3M150LK KC9110 »	3	1.50	0.19	2.39
NG3M150LK KC5025 »	3	1.50	0.19	2.39
NG2M150LK KCU25 »	2	1.50	0.19	2.79
NG2M150LK KC5025 »	2	1.50	0.19	2.79

NOTE Right hand inserts shown, left hand is mirror image.